The most common causes of poor indoor air in homes, classroom, and public spaces is dampness. Mold easily grows in a moist environment, which causes this poor indoor air. There are no specific guidelines when it comes to testing the presence of molds because it is not a federally regulated contaminant and therefore there is no certainty who will conduct the test and what they will be testing. So if there a mold testing done in a home, one test may render your air negative of molds while another test on the same home may produce a positive one.
And though those who have respiratory issues are highly vulnerable to mold spores, there are other individuals who are simply interested in air quality testing in order to having a peace of mind. There are companies who are able to provide quality air testing but others are not reputable and this should be a reason for concern to all.
This is why it is more appropriate for any customer to make a careful and critical scrutiny before hiring them. This also means that you have to at least have a basic understanding of where the inspector’s focus of attention rest. There are at least two efficacious ways in determining if an actual mold problem exists, but the point that I want to make is which among them is the most adequate.
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These two involves how exactly they get their sample for testing. The two primary types of sample test to determine whether there is a mold issue in a home involves surface sampling, this means that the inspector must positively identity the presence of mold spore deposits in your home and gathering them for further testing. Evaluating mold level in and out of the home is the most common form. Once the test has been completed, the level of mold spores inside the home will be compared with the level of molds outside. This basic test should enable the inspector to determine if indeed your home is positive or negative.
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Air testing is the second way of finding out if there are mold spores in the home since finding mold spores on surface might not be possible at certain stages.
There are many different air testing types that are being used today. Spore traps are used to test for the presence of molds. This method is still considered somewhat controversial but also commonly used method. This is done by using a calibrated pump to collect a specific amount of air over a greased slide to collect mold spores. This method is an impaction method. They also use a Petri dish viable sample for this. Similar to spore traps, this impaction method instead places a growing media underneath pin-holed cap and air is drawn over it.